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<html lang='en'>

<head>
   <meta charset='UTF-8'>
   <meta http-equiv='X-UA-Compatible' content='IE=edge'>
   <meta name='viewport' content='width=device-width, initial-scale=1.0'>
   <title>Document</title>
   <script src='../vue.js'></script>
</head>

<body>
   <div id='app'>

   <!-- 
      v-bind:vue中提供的用于绑定属性的命令，强制绑定数据(数据单向绑定 data ----》attr)

      比方你的class属性，style属性，value属性，href属性等等，只要是属性，就可以用v-bind指令进行绑定

      v-bind:attr="xxx":给attr属性强制绑定xxx数据

      v-bind可以简写为一个 :(冒号)

    -->

      <h1 study="js">{{msg+1}}</h1>
      <h1 v-bind:study.prop="study">{{msg+2}}</h1>
      <h1 v-bind:count="count+1">{{msg+3}}</h1>
      <h1 :isHot="isHot?'re':'leng'">{{msg+3}}</h1>
      <img v-bind:src="src" alt="">
      <img v-bind:src="http://www.baidu.com/' + src" alt="">
      <input type="text" :value="msg">
   </div>

      <script>
         Vue.config.productionTip = false;

         const vm = new Vue({
         el: '#app',
            data() {
               return {
                  msg: 'Hello Vue!!!',
                  src: '01.jpg',
                  count: 3,
                  isHot: true,
                  study: 'vue'
               }

            }
         })
      </script>
</body>

</html>